Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
392690 (2011 WW42)
Classification: Jupiter Trojan          SPK-ID: 2392690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05268457031021157 8.0281e-08  
a 5.207722482424813 3.7583e-07 au
q 4.933355861143434 6.0409e-07 au
i 11.19087323698384 6.9484e-06 deg
node 254.1200110789461 5.9178e-05 deg
peri 203.8803555143178 0.00017112 deg
M 266.0820972486965 0.0001748 deg
tp 2460528.942242789999
(2024-Aug-06.44224279)
0.0022131 TDB
period 4340.803994356034
11.88
0.0004699
1.287e-06
d
yr
n .08293394506365095 8.9777e-09 deg/d
Q 5.482089103706193 3.9563e-07 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      7590 days (20.78 yr)  
   first obs. used      1999-12-27  
   last obs. used      2020-10-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63095  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:29  

Additional Information
 Earth MOID = 3.95348 au 
 Jupiter MOID = .130165 au 
 T_jup = 2.959 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.20   n/a E2021B25  

392690 (2011 WW42)          Discovered 2010-Oct-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-01 15:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin